<template>
  <div class="container">
    <!-- 面包屑 -->
    <div class="top-bread">
      <el-breadcrumb separator="/" style="padding-top: 10px;padding-left: 5px;">
        <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item><a href="/role">角色管理</a></el-breadcrumb-item>
        <el-breadcrumb-item>角色列表</el-breadcrumb-item>
      </el-breadcrumb>
    </div>
    <!-- /面包屑 -->
    <!-- 内容主体 -->
    <div class="main-body">
      <div class="body">
        <!-- 顶部操作栏 -->
        <div class="top-operation">
          <div class="operation">
            <el-button type="danger" @click="deleteRow()">批量删除</el-button>
            <el-button type="success" icon="el-icon-circle-plus-outline" @click="dialogFormVisible = true">新增角色
            </el-button>
            <el-input v-model="input" placeholder="请输入内容" style="margin-left: 20px; width: 200px;"></el-input>
            <el-button icon="el-icon-search" style="margin-left: 10px;" @click="selectRole()">查询</el-button>
          </div>
        </div>
        <!-- /顶部操作栏 -->
        <!-- 表格主体 -->
        <div class="table-body">
          <template>
            <el-table border ref="multipleTable" @selection-change="handleSelectionChange"
                      :data="tableData.slice((currentPage-1)*pageSize,currentPage*pageSize)"
                      style="width: 100%;margin-top: 20px;">
              <el-table-column type="selection"></el-table-column>
              <el-table-column prop="id" label="角色id" width="150px" align="center"></el-table-column>
              <el-table-column prop="role" label="角色名称" width="250px" align="center"></el-table-column>
              <el-table-column prop="des" label="角色描述" width="250px" align="center"></el-table-column>
              <el-table-column label="操作" align="center">
                <template slot-scope="scope">
                  <el-button size="mini" @click="handleEdit(scope.row.id)">编辑</el-button>
                  <el-button size="mini" type="danger" @click="handleDelete(scope.$index, scope.row)">删除</el-button>
                </template>
              </el-table-column>
            </el-table>
          </template>

        </div>
        <!-- /表格主体 -->
        <div style="margin-left: 30px">
          <el-pagination
            background
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="currentPage"
            :page-size="pageSize"
            layout="total, prev, pager, next"
            :total="tableData.length">
          </el-pagination>
        </div>

      </div>
    </div>
    <!-- /内容主体 -->
    <!--添加页面-->
    <el-dialog title="输入信息" :visible.sync="dialogFormVisible">
      <el-form>
        <el-form-item label="角色名称：" :label-width="formLabelWidth">
          <el-input v-model="Role.role" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="角色描述：" :label-width="formLabelWidth">
          <el-input v-model="Role.des" autocomplete="off"></el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取 消</el-button>
        <el-button type="primary" @click="addRole()">添 加</el-button>
      </div>
    </el-dialog>
    <!--修改信息界面-->
    <el-dialog title="修改信息" :visible.sync="updateFormVisible">
      <el-form>
        <el-form-item label="角色名称：" :label-width="formLabelWidth">
          <el-input v-model="Inform.role" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="角色描述：" :label-width="formLabelWidth">
          <el-input v-model="Inform.des" autocomplete="off"></el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="updateFormVisible = false">取 消</el-button>
        <el-button type="primary" @click="updateRole()">修 改</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
  export default {
    name: 'User',
    data() {
      return {
        dialogFormVisible: false,//添加页面
        updateFormVisible: false,//修改页面
        formLabelWidth: '100px',
        input: '', // 搜索内容
        currentPage: 1, //初始页
        pageSize: 5,    //每页的数据
        Role: {},  //添加中转站
        Inform: {},//查询的单个存储
        tableData: [{}],
        delarr: [],//存放删除的数据
        multipleSelection: [],//多选的数据
      };
    },
    methods: {
      // 初始页currentPage、初始每页数据数pagesize和数据data
      handleSizeChange: function (size) {
        this.pagesize = size;
        console.log(this.pagesize)  //每页下拉显示数据
      },
      handleCurrentChange: function (currentPage) {
        this.currentPage = currentPage;
        console.log(this.currentPage)  //点击第几页
      },
      /*模糊查询*/
      selectRole(){
        let _this = this
        if(this.input==''){
          location.reload()
          return false;
        }
        this.$axios.post("http://localhost:8088/role/selectRole/"+this.input).then(function(res){
          _this.tableData = res.data
        }).catch(function (err) {
          alert('查询失败')
        })
      },
      /*查询所有角色*/
      findAll() {
        let _this = this
        this.$axios.get("http://localhost:8088/role/getRole").then(function (res) {
          _this.tableData = res.data
          console.log(_this.tableData)
        }).catch(function (err) {
          alert('查询失败')
        })
      },
      /*添加角色*/
      addRole() {
        if (!this.Role.role) {
          alert('请输入角色名称');
          return false
        }
        if (!this.Role.des) {
          alert('请输入角色描述');
          return false
        }
        console.log(this.Role)
        let _this = this
        this.$axios.post("http://localhost:8088/role/setRole", this.Role).then(function () {
          //清空本次保存数据
          _this.$message({
            showClose: true,
            message: '角色信息添加成功!',
            type: 'success'
          });
          _this.Role = {};
          _this.dialogFormVisible = false
          _this.findAll();
        }).catch(function (err) {
          _this.$message({
            showClose: true,
            message: '角色信息添加失败!',
            type: 'error'
          });
        })
      },
      /*根据id查询角色*/
      handleEdit(id) {
        this.updateFormVisible = true
        let _this = this
        this.$axios.get("http://localhost:8088/role/getRoleById/" + id).then(function (res) {
          _this.Inform = res.data
          console.log(res.data)
        }).catch(function (err) {
          alert('查询失败')
        })
      },
      /*更新角色*/
      updateRole() {
        let _this = this
        // 发送axios请求，根据查询一个
        this.$axios.post("http://localhost:8088/role/updateRole", _this.Inform).then(function (res) {
          _this.$message({
            showClose: true,
            message: '角色信息修改成功!',
            type: 'success'
          });
          _this.updateFormVisible = false
          _this.findAll();
        }).catch(function (err) {
          _this.$message({
            showClose: true,
            message: '角色信息修改失败!请联系管理员！',
            type: 'error'
          });
        })
      },
      /*删除角色*/
      handleDelete(id) {
        let _this = this
        if (window.confirm('确定要删除角色吗？')) {
          // 发送axios请求，根据查询一个
          this.$axios.post("http://localhost:8088/role/deletedById/" + id).then(function () {
            _this.findAll();
            _this.$message({
              showClose: true,
              message: '角色删除成功!',
              type: 'success'
            });
          }).catch(function (err) {
            _this.$message({
              showClose: true,
              message: '角色删除失败!请联系管理员！',
              type: 'error'
            });
          })
        }
      },
      /*操作多选*/
      handleSelectionChange(val) {
        this.multipleSelection = val;
      },
      /*批量删除*/
      deleteRow() {
        let _this = this
        const length = this.multipleSelection.length;
        if (length <= 0) {
          alert("请勾选需要删除的选项！")
          return false;
        }
        for (let i = 0; i < length; i++) {
          this.delarr.push(this.multipleSelection[i].id)
        }
        this.$axios.post('http://localhost:8088/role/deletedAllById',this.delarr).then(function (res) {
          _this.$message({
            showClose: true,
            message: '批量删除角色成功!',
            type: 'success'
          });
          setTimeout('location.reload()',1000);
        }).catch(function (err) {
          _this.$message({
            showClose: true,
            message: '删除失败！请联系管理员！',
            type: 'error'
          });
        })

      }
    },
    mounted() {
      this.findAll()
    }
  };
</script>

<style scoped>
  .top-bread {
    width: 100%;
    height: 30px;
    background-color: #efeef0;
  }

  .main-body {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 1050px;
  }

  .body {
    width: 90%;
    height: 1000px;
    background-color: #ffffff;
  }

  .top-operation {
    display: flex;
    align-items: center;
    width: 100%;
    height: 50px;
  }

  .operation {
    margin-top: 10px;
    margin-left: 50px;
    display: flex;
    align-items: center;
  }

  .table-body {
    margin: auto;
    width: 95%;
    height: 400px;
  }
</style>
